Magnetization properties and vortex phase diagram of Cu sub(x)TiSe sub(2) single crystals
We have investigated the magnetization properties and flux dynamics of superconducting Cu sub(x) TiSe sub(2) single crystals within a wide range of copper concentrations. We find that the superconducting anisotropy is low and independent on copper concentration ( gamma ~ 1.7), except in the case of...
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| Veröffentlicht in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2013-11, Vol.88 (17) |
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| container_title | Physical review. B, Condensed matter and materials physics |
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| creator | Husanikova, P Fedor, J Derer, J Soltys, J Cambel, V Iavarone, M May, S J Karapetrov, G |
| description | We have investigated the magnetization properties and flux dynamics of superconducting Cu sub(x) TiSe sub(2) single crystals within a wide range of copper concentrations. We find that the superconducting anisotropy is low and independent on copper concentration ( gamma ~ 1.7), except in the case of strongly underdoped samples (x [< or =] 0.06) that show a gradual increase in anisotropy to gamma ~ 1.9. The vortex phase diagram in this material is characterized by a broad region of vortex liquid phase that is unusual for such a low-T sub(c) superconductor with low anisotropy. Below the irreversibility line the vortex solid state supports relatively low critical current densities as compared to the depairing current limit (J sub(c)/J sub(0) ~ 10 super(-7)). All this points out that local fluctuations in copper concentration have little effect on bulk pinning properties in this system. |
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We find that the superconducting anisotropy is low and independent on copper concentration ( gamma ~ 1.7), except in the case of strongly underdoped samples (x [< or =] 0.06) that show a gradual increase in anisotropy to gamma ~ 1.9. The vortex phase diagram in this material is characterized by a broad region of vortex liquid phase that is unusual for such a low-T sub(c) superconductor with low anisotropy. Below the irreversibility line the vortex solid state supports relatively low critical current densities as compared to the depairing current limit (J sub(c)/J sub(0) ~ 10 super(-7)). 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B, Condensed matter and materials physics</title><description>We have investigated the magnetization properties and flux dynamics of superconducting Cu sub(x) TiSe sub(2) single crystals within a wide range of copper concentrations. We find that the superconducting anisotropy is low and independent on copper concentration ( gamma ~ 1.7), except in the case of strongly underdoped samples (x [< or =] 0.06) that show a gradual increase in anisotropy to gamma ~ 1.9. The vortex phase diagram in this material is characterized by a broad region of vortex liquid phase that is unusual for such a low-T sub(c) superconductor with low anisotropy. Below the irreversibility line the vortex solid state supports relatively low critical current densities as compared to the depairing current limit (J sub(c)/J sub(0) ~ 10 super(-7)). All this points out that local fluctuations in copper concentration have little effect on bulk pinning properties in this system.</description><subject>Anisotropy</subject><subject>Condensed matter</subject><subject>Copper</subject><subject>Fluid flow</subject><subject>Magnetization</subject><subject>Phase diagrams</subject><subject>Superconductivity</subject><subject>Vortices</subject><issn>1098-0121</issn><issn>1550-235X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqVjbsKwjAUQIMoWB__cMc6FJLYYjsXxcXJDjqVqNcaqUnNTUX9eov4A07nDAdOjwUiSXgk58mu3znP0ogLKYZsRHTlXMRZLAO236jKoNdv5bU10DjboPMaCZQ5wcM6j09oLooQTlpVTt3AniFvgdpD-JwVeotflTMgbaoa4ehe5FVNEzY4d8Dpj2MWrpZFvo66x71F8uVN0xHrWhm0LZViIdJMpnG2mP-RfgDOREdc</recordid><startdate>20131101</startdate><enddate>20131101</enddate><creator>Husanikova, P</creator><creator>Fedor, J</creator><creator>Derer, J</creator><creator>Soltys, J</creator><creator>Cambel, V</creator><creator>Iavarone, M</creator><creator>May, S J</creator><creator>Karapetrov, G</creator><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20131101</creationdate><title>Magnetization properties and vortex phase diagram of Cu sub(x)TiSe sub(2) single crystals</title><author>Husanikova, P ; Fedor, J ; Derer, J ; Soltys, J ; Cambel, V ; Iavarone, M ; May, S J ; Karapetrov, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_17189284973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Anisotropy</topic><topic>Condensed matter</topic><topic>Copper</topic><topic>Fluid flow</topic><topic>Magnetization</topic><topic>Phase diagrams</topic><topic>Superconductivity</topic><topic>Vortices</topic><toplevel>online_resources</toplevel><creatorcontrib>Husanikova, P</creatorcontrib><creatorcontrib>Fedor, J</creatorcontrib><creatorcontrib>Derer, J</creatorcontrib><creatorcontrib>Soltys, J</creatorcontrib><creatorcontrib>Cambel, V</creatorcontrib><creatorcontrib>Iavarone, M</creatorcontrib><creatorcontrib>May, S J</creatorcontrib><creatorcontrib>Karapetrov, G</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review. B, Condensed matter and materials physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Husanikova, P</au><au>Fedor, J</au><au>Derer, J</au><au>Soltys, J</au><au>Cambel, V</au><au>Iavarone, M</au><au>May, S J</au><au>Karapetrov, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetization properties and vortex phase diagram of Cu sub(x)TiSe sub(2) single crystals</atitle><jtitle>Physical review. B, Condensed matter and materials physics</jtitle><date>2013-11-01</date><risdate>2013</risdate><volume>88</volume><issue>17</issue><issn>1098-0121</issn><eissn>1550-235X</eissn><abstract>We have investigated the magnetization properties and flux dynamics of superconducting Cu sub(x) TiSe sub(2) single crystals within a wide range of copper concentrations. We find that the superconducting anisotropy is low and independent on copper concentration ( gamma ~ 1.7), except in the case of strongly underdoped samples (x [< or =] 0.06) that show a gradual increase in anisotropy to gamma ~ 1.9. The vortex phase diagram in this material is characterized by a broad region of vortex liquid phase that is unusual for such a low-T sub(c) superconductor with low anisotropy. Below the irreversibility line the vortex solid state supports relatively low critical current densities as compared to the depairing current limit (J sub(c)/J sub(0) ~ 10 super(-7)). All this points out that local fluctuations in copper concentration have little effect on bulk pinning properties in this system.</abstract></addata></record> |
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| ispartof | Physical review. B, Condensed matter and materials physics, 2013-11, Vol.88 (17) |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Anisotropy Condensed matter Copper Fluid flow Magnetization Phase diagrams Superconductivity Vortices |
| title | Magnetization properties and vortex phase diagram of Cu sub(x)TiSe sub(2) single crystals |
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